ULN-8 Users Guide
123
Maximum I/O Levels (Balanced)
Analog Send Max Output
+21.5 dBu
Mic Pre Max Input
+20 dBu
Line In Max Input
+24.5 dBu
Output Impedance
5 Ω
Table 5.2. ULN-8 Maximum I/O Levels (Balanced)
Monitor Controller
Nominal FS output (Balanced) Output Jumper Off -19.0 dBu
Nominal FS output (Balanced) Output Jumper On
-12.0 dBu
Maximum Output
Same as Line
Gain Range
-96 dB to +30 dB
Gain Precision
±0.05 dB
Gain Step
0.5 dB
Table 5.3. ULN-8 Monitor Controller
Mic Pre Input + ADC
Input Impedance
3.3k Ω
Dynamic Range (-60 dB, flat 0-22.05 kHz, typ)
115 dB
Dynamic Range (-60 dB, A-weighted, typ)
118 dB
Noise Floor (flat 0-22.05 kHz, typ)
115 dB
Noise Floor (A-weighted, typ)
117.9 dB
Gain Range
-22 dB to +91.5 dB
Gain Precision
±0.05 dB
Gain Step
0.5 dB
THD D/A/A/D loop @ -12 dBFS
0.0007 %
THD D/A/A/D loop @ -12 dBFS +12 dB Gain
0.0015 %
THD D/A/A/D loop @ -0 dBFS
0.0023 %
Crosstalk @ 1kHz
-110dB
IMD 1k component (19 kHz/20kHz @ +8dBu)
-104 dBu
EIN @ 60 dB Gain (150 Ω Source Impedance)
-130.50 dBu
EIN @ 60 dB Gain (0 Ω Source Impedance)
-133.25 dBu
Analog Send Calibration (ADC = 0 dBFS)
+21.5 dBu
Phantom Power (Switchable Per Channel)
+48 Volts
Table 5.4. ULN-8 Mic Pre Input + ADC
Mic Pre + ADC Frequency Response
+0/-0.1dB @ fs = 44100 Hz
8.9 Hz - 20.5 kHz
+0/-1.0dB @ fs = 44100 Hz
2.9 Hz - 21.0 kHz
+0/-0.1dB @ fs = 96000 Hz
8.9 Hz - 43.9 kHz
+0/-1.0dB @ fs = 96000 Hz
2.9 Hz - 45.4 kHz